Backlight unit and image display apparatus including the backlight unit

摘要

In a backlight unit and an image display apparatus including the backlight unit, the backlight unit includes a base substrate and a transparent substrate arranged to face each other; a cathode electrode and a first gate electrode alternately arranged on an upper surface of the base substrate; an emitter arranged on an edge of the cathode electrode facing the first gate electrode; an insulation layer arranged on the cathode electrode and the first gate electrode; a second gate electrode arranged on an upper surface of the insulation layer; and a fluorescent layer arranged on a lower surface of the transparent substrate. An aperture is arranged in the insulation layer and second gate electrode, the aperture being in an area corresponding to the emitter.